Tehran. The first day of the US naval blockade on Iranian ports has triggered significant uncertainty in global trade and transit. Following the collapse of peace talks in Islamabad last Sunday, US President Donald Trump announced a blockade on all vessels entering or departing from Iranian ports.This move has drastically reduced maritime traffic in the Strait of Hormuz, a critical global oil route. Shipping data indicates that only a minimal number of vessels have traversed the waterway in the first 24 hours of the blockade.Prior to the US and Israeli offensive against Iran on February 28, more than 130 ships...